Net Optics

Any device whose MAC address begins with C8:87:3B has a network interface built by Net Optics. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

C8:87:3B

Organization

Net Optics

Address

5303 Betsy Ross Drive Santa Clara CA US 95054

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.